#55BA8D · #E18A68
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 83/100 (split-complementary) · Distinguishable 96/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Sea Green and Raw Sienna are very different (ΔE 72). They have distinctly different hues (136° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Sea Green text on Raw Sienna: 1.09:1 (Fail); Raw Sienna text on Medium Sea Green: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #004029 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 83/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #004029 clears AA.
Their CIE76 ΔE is about 72 — very different.
clearly different colours (ΔE 72).
Explore each color: Medium Sea Green #55BA8D · Raw Sienna #E18A68 · Shades: Medium Sea Green shades · Raw Sienna shades · Contrast checker →